In selecting a suitable paper for this reproduction, certain qualities had to be considered. Among these were good printing surface, durability, and as much strength as could be had along with the above essentials. A chart plate paper of high rag content was made especially for the work. KEY MAPS [Illustration: Fig. 4—General key map. The numbers correspond to those of the main center heads in the commentary on pp. 32-60.] [Illustration: Fig. 5—Detailed key map: northeastern section. The numbers in this and in Figs. 6-9 correspond to the Arabic numbers on pp. 32-60.] [Illustration: Fig. 6—Detailed key map: east-central section.] [Illustration: Fig. 7—Detailed key map: southeastern section.] [Illustration: Fig. 8—Detailed key map: northwestern section.] [Illustration: Fig. 9—Detailed key map: west-central section.] [Illustration: Fig. 10—Detailed key map: southwestern section.] Transcriber’s Notes —Retained publication information from the printed edition: this eBook is public-domain in the country of publication. —Corrected a few palpable typographical errors. —In the Detailed Contents, broke paragraphs up so that each number (label) is on a separate line. —In the text versions only, text in italics is delimited by _underscores_. End of the Project Gutenberg EBook of The Leardo Map of the World, 1452 or 1453, by John Kirtland Wright